Features: 1.With 4 USB Ports: Includes a USB3.0 port and 3 USB2.0 ports, which can be used for multiple devices simultaneously, such as a mouse, keyboard, and speaker, etc. 2.High Efficiency: This adapter can transfer 10GB of video files in about 16 seconds, and high speed data transmission helps greatly improve work efficiency. 3.For USB Devices: Compatible with most USB devices, such as keyboard, USB drive, camera, USB headphone, printer, USB cable, mic, console, USB fan, laptop, etc. 4.Aluminum Alloy: The USB port adapter is made of excellent aluminum alloy, with high strength, wear resistance, and reinforced connection point design to prevent cracking. 5.Good Stability: This USB multi port extender supports high power devices and can maintain stable performance when using large capacity hard drives or printers. specification:Item Type: USB 3.0 Multi Port Adapter Material: Aluminum Alloy Function: Expand multiple USB devices Interface: 1 x USB 3.0, 3 x USB 2.0 Size: Approx. 85.7 x 17.2 x 7.2mm / 3.4 x 0.7 x 0.3in PackageList: 1 x USB Hub Adapter